Cuenca province is home to one of the most important archaeological sites of the early Cretaceous period, Las Hoyas, the fossilised remains of a complete ecosystem from 125 million years ago, when dinosaurs still roamed the Earth.

The Isla de San Simón is one of four separate islands which make up the archipelago of the same name in the Ría of Vigo, Redondela, Galicia, which, despite its small size, has played an important role in history.